MESOSCALE DISCUSSION 0750
   NWS STORM PREDICTION CENTER NORMAN OK
   1000 PM CDT WED MAY 11 2011
   
   AREAS AFFECTED...LOWER MI/FAR NORTHERN INDIANA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 286...
   
   VALID 120300Z - 120400Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 286
   CONTINUES.
   
   SEVERE TSTM WATCH 286 CONTINUES UNTIL 06Z ACROSS LOWER MI...WITH THE
   PRIMARY RISKS OF SEVERE HAIL/HEAVY RAINFALL.
   
   A NORTH-SOUTH ORIENTED BAND OF STRONG/SEVERE TSTMS CONTINUES TO
   PROGRESS EASTWARD ACROSS WESTERN LOWER MI LATE THIS EVENING. AMPLE
   ELEVATED INSTABILITY WILL MAINTAIN A MARGINAL SEVERE HAIL THREAT
   OVER THE NEXT FEW HOURS...BUT 1/ THE EXISTING CONVECTIVE MODE AND 2/
   AN INCREASINGLY STABLE AIRMASS NORTHEAST OF A SURFACE WARM FRONT
   IMPLY A GENERAL WEAKENING TREND CAN BE ANTICIPATED ACROSS LOWER MI
   OVER THE NEXT FEW HOURS.
   
   ..GUYER.. 05/12/2011
   
   
   ATTN...WFO...IWX...GRR...
   
   LAT...LON   42538680 43308576 42418441 41228526 42538680